Leases - Other (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Leases
Operating right-of-use assets	$ 2,100,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, Plant and Equipment, Net
Operating lease liabilities	$ 2,162,000		$ 2,224,000
Weighted-average remaining lease term (in years)	8 years 2 months 12 days
Weighted-average discount rate (as a percent)	4.00%
Operating lease cost	$ 86,000	$ 32,000
Short-term operating lease expense	$ 33,000	$ 35,000
Minimum
Leases
Remaining lease terms (in years)	1 year
Maximum
Leases
Remaining lease terms (in years)	10 years